Who was conferred the 56th Jnanpith

Which of the following plant hormones is responsible for delaying leaf senescence and is known as the "anti-aging hormone"?

To preserve the green colour while cooking green leafy vegetables, it is advisable to cook them:

Thickness of UV stabilized polyethylene used as a cladding material in greenhouse is

Which of the following is biennial weed?

A method of asexual propagation in which a stem is made to produce roots while still attached to the parent plant is called 

According to CRIDA, the depth of deep tillage is ____

Black heart is a physiological disorder of

Green house technology is introduced in Indian during

Cooperative marketing in India has _______ tier structure.

A laboratory which develops methods of testing, provides validation and technical support and evaluates performance is designated as a: